Melling Chain Tensioner - BT127 Part #: BT127 Line: MEL Melling Chain Tensioner 1 Year Limited Warranty Height (in): 1.477 Inch Height (mm): 37.5mm Length (in): 4.941 Inch Length (mm): 125.51mm Width (in): 0.843 Inch Width (mm): 21.41mm Adjustable: Yes Bracket Included: Yes Bolts Included: No Mounting Hole Diameter (in): 0.270 Inch Housing Material: Nylon Instructions Included: No Spring Included: No Number Of Mounting Holes: 2 Gasket Or Seal Included: No Number Of Rows: 1 Shoe Included: Yes Mounting Hole Diameter (mm): 6.9mm Activation Style: Manual Tensioner Actuation Type: Mechanical Show More Show Less